QWERTY Keyboard Layout. USB connection Long Lasting Character Input device. Solidtek Bilingual Farsi English Black USB Wired Computer Keyboard. Compatible with all windows operating systems. Compatible with Windows 98, ME, 2000, XP, Vista or above Standard 104 keys keyboard for easy usage Available colors: Black Available connectors: USB Switch travel: 4.0 +/- 0.5mm Switch life: 10 million life cycles Dimension (mm) : 456x168x32 Weight (kg) : 0.72